2381698240 has 56 divisors (see below), whose sum is σ = 5678515440. Its totient is φ = 951487488.

The previous prime is 2381698237. The next prime is 2381698243. The reversal of 2381698240 is 428961832.

2381698240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2381698237) and next prime (2381698243).

It is not an unprimeable number, because it can be changed into a prime (2381698243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278346 + ... + 286774.

Almost surely, 2^2381698240 is an apocalyptic number.

2381698240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2381698240 is an abundant number, since it is smaller than the sum of its proper divisors (3296817200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2381698240 is an equidigital number, since it uses as much as digits as its factorization.

2381698240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9329 (or 9319 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 2381698240 is about 48802.6458299138. The cubic root of 2381698240 is about 1335.4539343892.

The spelling of 2381698240 in words is "two billion, three hundred eighty-one million, six hundred ninety-eight thousand, two hundred forty".